Single chain linear actuator
a linear actuator and single chain technology, applied in the direction of chain elements, gearing, hoisting equipment, etc., can solve the problems of telescopic hydraulic jacks that do not have particularly/or oil, and the linear actuator typically has a poor side load stiffness and/or oil, etc., to achieve good side load stiffness, good axial stiffness, and extended length
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[0019]Referring to the drawings, and first to FIG. 1, this shows a single chain linear actuator 10. The linear actuator 10 comprises a helically winding chain 12 which is reciprocatingly received in an actuator housing 22. The chain 12 has a proximal end link 14, a distal end link 16, and a plurality of inter-connected links 18 therebetween. The chain 12 is movable between a retracted position shown in FIGS. 1 and 2, and an extended position shown in FIG. 3.
[0020]Referring now to FIG. 4, a first one of the inter-connected links 18 is shown in greater detail. The link 18 has a first end 30, a second end 32, and a longitudinal axis 100. There is a clevis 34 at the first end 30 of the link 18. The clevis 34 has opposed inner mating surfaces. In FIG. 4 only one of the mating surfaces 37 is shown. The inner mating surfaces are angularly tilted relative to the first end 30 of the link 18. There is a mating portion 35 near the second end 32 of the link 18. The mating portion 35 is angularl...
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